[PATCH] net/cadence/macb: fix invalid 0 return if no phy is discovered on mii init (no replies)

Replace misleading -1 (-EPERM) by a more appropriate return code (-ENXIO)
in macb_mii_probe function.
Save macb_mii_probe return before branching to err_out_unregister to avoid
erronous 0 return.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
---
drivers/net/ethernet/cadence/macb.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index fe06ab0..7660c45 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -276,7 +276,7 @@ static int macb_mii_probe(struct net_device *dev)
phydev = phy_find_first(bp->mii_bus);
if (!phydev) {
netdev_err(dev, "no PHY found\n");
- return -1;
+ return -ENXIO;
}

pdata = dev_get_platdata(&bp->pdev->dev);
@@ -379,9 +379,9 @@ int macb_mii_init(struct macb *bp)
if (err)
goto err_out_free_mdio_irq;

- if (macb_mii_probe(bp->dev) != 0) {
+ err = macb_mii_probe(bp->dev);
+ if (err)
goto err_out_unregister_bus;
- }

return 0;

--
1.7.9.5

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